Juniper Networks Certified Associate Junos (JNCIA-Junos) v1.0

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Exam contains 418 questions
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Which process is responsible for the routing protocols on a Junos device?

  • A. rpd
  • B. mgd
  • C. dcd
  • D. chassisd


Answer : A

Which process is responsible for the configuration of the router and all user commands on a Junos device?

  • A. rpd
  • B. chassisd
  • C. dcd
  • D. mgd


Answer : D

How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?

  • A. It sends the traffic through one egress port toward its destination.
  • B. It sends the traffic through multiple egress ports to all available receivers.
  • C. It sends the traffic through an internal link to the RE.
  • D. It sends the traffic to the local system for further processing.


Answer : A

Which two design goals describe the Junos OS design? (Choose two.)

  • A. clean separation of security and routing policies
  • B. clean separation of control and forwarding planes
  • C. modularization of multiple software processes
  • D. a single hardware platform for all software applications


Answer : BC

Which two Junos platforms provide stateful firewall functionality? (Choose two.)

  • A. MX Series
  • B. EX Series
  • C. SRX Series
  • D. QFX Series


Answer : AC

What are two examples of RE exception traffic? (Choose two.)

  • A. BGP updates that travel through the local router and are destined for a remote router.
  • B. OSPF hello packets that are sent from a remote router and are destined for the local router.
  • C. Telnet traffic that is sent from a remote host and is destined for the local router.
  • D. Telnet traffic that travels through the local router and is destined for a remote end host.


Answer : BC

In the Junos OS, what handles transit traffic?

  • A. Transit traffic is handled by the RE only.
  • B. Transit traffic is handled by the PFE only.
  • C. Transit traffic is handled by both the RE and the PFE.
  • D. Transit traffic is not handled by the RE or the PFE.


Answer : B

Which statement describes transit traffic?

  • A. Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.
  • B. Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.
  • C. Any traffic that requires the generation of an ICMP message.
  • D. Traffic that requires some form of special attention and does not pass through the device.


Answer : B

What is the central processing component of the forwarding plane?

  • A. PFE
  • B. RE
  • C. Junos OS
  • D. forwarding table


Answer : A

Which statement is correct regarding the Junos OS?

  • A. The same Junos OS image is used on all Junos devices.
  • B. The Junos OS provides separation between the control and forwarding planes.
  • C. Each Junos OS image is based on model-specific source code.
  • D. The Junos OS creates a secondary instance of the kernel to ensure redundancy.


Answer : B

What are two functions of the RE? (Choose two).

  • A. to maintain routing tables
  • B. to forward traffic toward its destination
  • C. to manage the PFE
  • D. to implement various services such as policing, stateless firewall filtering, and class of service


Answer : AC

Which statement is correct regarding exception traffic processing?

  • A. Exception traffic is only handled by the PFE.
  • B. Exception traffic is rate-limited across the internal link to protect the RE.
  • C. Exception traffic is not prioritized during times of congestion.
  • D. Exception traffic is forwarded based on forwarding table entries.


Answer : B

When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?

  • A. Ctrl + a
  • B. Ctrl + e
  • C. Ctrl + u
  • D. Ctrl + w


Answer : C

When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?

  • A. Ctrl + a
  • B. Ctrl + e
  • C. Ctrl + u
  • D. Ctrl + w


Answer : D

What must you type to enter operational mode from the root@% command prompt?

  • A. exit
  • B. configure
  • C. edit
  • D. cli


Answer : D

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Exam contains 418 questions
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